$OpenBSD: patch-simgear_sound_sample_group_cxx,v 1.2 2015/03/17 17:20:17 pascal Exp $
--- simgear/sound/sample_group.cxx.orig	Wed Feb 18 21:10:39 2015
+++ simgear/sound/sample_group.cxx	Thu Feb 19 21:25:04 2015
@@ -38,7 +38,7 @@ using std::isnan;
 #endif
 
 bool isNaN(float *v) {
-   return (isnan(v[0]) || isnan(v[1]) || isnan(v[2]));
+   return (std::isnan(v[0]) || std::isnan(v[1]) || std::isnan(v[2]));
 }
 
 SGSampleGroup::SGSampleGroup () :
